ESP32 Audio Input - MAX4466, MAX9814, SPH0645LM4H, INMP441 Learn how to integrate various microphones such as MAX4466, MAX9814, SPH0645LM4H, and INMP441 with ESP32 microcontroller for both analog and digital audio recording. Discover the pros and cons of each microphone and how they can be utilized in projects requiring high-quality sound sampling. 12 September 2020